Articles

Belgian Ultrarunner Karel Sabbe's Record-Breaking Pacific Crest Trail Run Showcased in New YouTube Documentary

Explore Karel Sabbe's record-breaking Pacific Crest Trail run in a riveting documentary. Jour..

Trail Running: How it Can Help Reduce Stress and Anxiety

Trail running is an effective way to reduce stress, anxiety, and improve physical and mental he..

Trail Running vs. Road Running: Which One Is Right For You?

When it comes to running, there are two primary options to choose from: trail running and road..

Quad Rock 50

Name: Quad Rock 50
Start: 2025-05-10
End: 2025-05-10
Location: Fort Collins

Fort Collins, United States • 10 May 2025

The Quad Rock 50 and 25 Mile Trail Races, organized by Gnar Runners, will take place on May 10, 2025, in Lory State Park and Horsetooth Mountain Park, near Fort Collins, Colorado. This challenging event features two distances: a 50-mile race with over 11,000 feet of elevation gain and a 25-mile race with approximately 5,500 feet of elevation gain. The courses offer stunning views of the Fort Collins skyline and the Rocky Mountains. Participants can expect a well-marked route, fully stocked aid stations, and a vibrant post-race experience, including a BBQ and awards ceremony. Registration opens on December 15, 2024. Visit the organization's website for the most recent information.

United States Colorado Fort Collins

Race information

Website

50 mi

11000 m+

50 Miles

25 mi

5500 m+

25 Miles

Visit the organization's website for the most recent information.

Trail runs nearby

Saturday Mar 8

Lucky Lyons

Lyons - 26 mi from Fort Collins

5 km

10 km

Lucky Lyons is a festive running event held in Lyons, Colorado, featuring 5K and 10K races to kick off St. Patrick's Day celebrations. Participants are encouraged to wear their best green attire as they navigate scenic courses that include paved, gravel, and dirt paths.The event supports the Lyons C..

Fri - Sat Apr 4-5

Run The Ranch

Loveland - 14 mi from Fort Collins

...

Run The Ranch is an exciting trail running event taking place at Sylvan Dale Guest Ranch in Loveland, Colorado. Scheduled for April 4-5, 2025, participants can choose from various distances, including a 5K, 10K, and multiple timed trail runs ranging from 4 to 12 hours, with options for solo runners..

Saturday Apr 19

Great Western Trail Race

Severance - 13 mi from Fort Collins

The Great Western Trail Race, taking place in Severance, Colorado, offers a variety of running events including a 5K, 10K, half marathon, and a Kids Fun Run. Scheduled for April 19, 2025, this event celebrates Northern Colorado's newest trail, connecting Windsor, Severance, and Eaton. Participants c..

Saturday May 17

Samson's Revenge

Estes Park - 27 mi from Fort Collins

10 km

27 km

55 km

Samson's Revenge is a trail running event held at the YMCA of the Rockies in Estes Park, Colorado, honoring the legacy of Samson, a famous elk poached in 1995. Participants can choose from three race distances: 10K, 27K, and 55K, featuring a challenging course with significant elevation gain, partic..

Fri - Mon May 23-26

Weld Your Mettle Running Festival

Eaton - 20 mi from Fort Collins

Backyard Ultra

...

The Weld Your Mettle Running Festival is a four-day event taking place in Eaton, Colorado, from May 23 to May 26, 2025. This festival features a variety of running events, including solo and relay formats ranging from 3 to 48 hours, as well as a 7K run and ruck. Participants can enjoy a unique exper..

Sunday Jun 1

Crazy Legs Trail Run

Loveland - 14 mi from Fort Collins

10 km

The Crazy Legs 10k+ Trail Run is an exciting running event taking place at Devil’s Backbone Open Space in Loveland, Colorado, on June 1, 2025. This trail run features a challenging course designed to provide a fun experience for participants. Runners will navigate through various trails, with water..